The file is made of high-carbon steel with high-frequency quenching, which has high strength and hardness and is durable. Ergonomically designed plastic handle, anti-slip and comfortable hand feeling. There is a hanging hole at the bottom of the handle for easy placement. Precision-milled, coated teeth provide durable cuts and good performance. The metal file is suitable for grinding, grinding and polishing various metal and non-metal materials, such as stainless steel, copper, iron, aluminum, plastic, etc., suitable for garage, factory, engineering, workshop and DIY use. Notice: The file should not be used as a pry bar or hand hammer, and should not be dipped in lubricating oil or water to avoid slipping or rusting during filing. When filing, use a wire brush to remove chips from the cut teeth.